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v3.25.3

Segment Information - Operating Results (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting Information [Line Items] |  |  |  |  |
Net premiums earned |  | $ 20,849 | $ 18,297 | $ 60,568 | $ 51,655
Fees and other revenues |  | 306 | 278 | 896 | 774
Total underwriting revenue |  | 21,155 | 18,575 | 61,464 | 52,429
Losses (excluding catastrophe losses) |  | 11,377 | 10,120 | 33,179 | 29,002
Catastrophe losses |  | 219 | 732 | 1,385 | 2,348
Loss adjustment expenses |  | 1,849 | 1,658 | 5,290 | 4,727
Losses and loss adjustment expenses |  | 13,445 | 12,510 | 39,854 | 36,077
Distribution expenses |  | 2,821 | 2,564 | 8,092 | 6,510
Other underwriting expenses |  | 2,699 | 1,496 | 5,803 | 4,201
Total underwriting expenses |  | 5,520 | 4,060 | 13,895 | 10,711
Pretax underwriting profit (loss) |  | 2,190 | 2,005 | 7,715 | 5,641
Investment profit (loss) |  | 1,209 | 1,020 | 3,053 | 2,339
Service businesses profit (loss) |  | (6) | (9) | (18) | (25)
Interest expense |  | (70) | (70) | (209) | (209)
Income before income taxes |  | 3,323 | 2,946 | 10,541 | 7,746
Policyholder credit expense | [1] | 950 | 0 | 950 | 0
FLORIDA |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Policyholder credit expense |  | 950 |  | 950 |
Operating Segments | Personal Lines | Underwriting operations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net premiums earned |  | 18,089 | 15,570 | 52,343 | 43,706
Fees and other revenues |  | 272 | 235 | 784 | 647
Total underwriting revenue |  | 18,361 | 15,805 | 53,127 | 44,353
Losses (excluding catastrophe losses) |  | 9,801 | 8,514 | 28,484 | 24,225
Catastrophe losses |  | 207 | 698 | 1,349 | 2,279
Loss adjustment expenses |  | 1,554 | 1,382 | 4,415 | 3,903
Losses and loss adjustment expenses |  | 11,562 | 10,594 | 34,248 | 30,407
Distribution expenses |  | 2,507 | 2,267 | 7,183 | 5,655
Other underwriting expenses |  | 2,394 | 1,245 | 4,967 | 3,468
Total underwriting expenses |  | 4,901 | 3,512 | 12,150 | 9,123
Pretax underwriting profit (loss) |  | 1,898 | 1,699 | 6,729 | 4,823
Operating Segments | Commercial Lines | Underwriting operations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net premiums earned |  | 2,760 | 2,727 | 8,224 | 7,949
Fees and other revenues |  | 34 | 43 | 112 | 127
Total underwriting revenue |  | 2,794 | 2,770 | 8,336 | 8,076
Losses (excluding catastrophe losses) |  | 1,575 | 1,607 | 4,695 | 4,781
Catastrophe losses |  | 12 | 34 | 36 | 69
Loss adjustment expenses |  | 296 | 276 | 875 | 824
Losses and loss adjustment expenses |  | 1,883 | 1,917 | 5,606 | 5,674
Distribution expenses |  | 313 | 297 | 907 | 855
Other underwriting expenses |  | 300 | 248 | 823 | 726
Total underwriting expenses |  | 613 | 545 | 1,730 | 1,581
Pretax underwriting profit (loss) |  | 298 | 308 | 1,000 | 821
Operating Segments | Other Indemnity | Underwriting operations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net premiums earned |  | 0 | 0 | 1 | 0
Fees and other revenues |  | 0 | 0 | 0 | 0
Total underwriting revenue |  | 0 | 0 | 1 | 0
Losses (excluding catastrophe losses) |  | 1 | (1) | 0 | (4)
Catastrophe losses |  | 0 | 0 | 0 | 0
Loss adjustment expenses |  | (1) | 0 | 0 | 0
Losses and loss adjustment expenses |  | 0 | (1) | 0 | (4)
Distribution expenses |  | 1 | 0 | 2 | 0
Other underwriting expenses |  | 5 | 3 | 13 | 7
Total underwriting expenses |  | 6 | 3 | 15 | 7
Pretax underwriting profit (loss) |  | $ (6) | $ (2) | $ (14) | $ (3)
[1] | See Note 8 – Segment Information for further discussion.

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